<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <form action="">

        <!-- 文本输入框 -->
        <label for="user">用户名</label>
        <input id="user" type="text">

        <!-- 密码输入框 -->
        <label for="password">密码</label>
        <input id="password" type="password">

        <!-- 邮箱 -->
        <label for="email">邮箱</label>
        <input id="email" type="email">

        <!-- 单选 -->
        <label for="nan">男</label>
        <input id="nan" name="sex" type="radio">
        <label for="nv">女</label>
        <input id="nv" name="sex" type="radio">

        <!-- 多选 -->
        <input type="checkbox">篮球
        <input type="checkbox">足球
        <input type="checkbox">羽毛球
        
        <!-- 下拉框 -->
        <select name="" id="">
            <option value="1">选项1</option>
            <option value="2">选项2</option>
            <option value="3">选项3</option>
            <option value="4">选项4</option>
            <option value="5">选项5</option>
        </select>

        <!-- 按钮 -->
        <input type="submit">
        <input type="reset">
    </form>
</body>

</html>